Get elapsed time in days
public class Main { public static void main(String[] argv) throws Exception { long start = System.currentTimeMillis(); Thread.sleep(2000); // Get elapsed time in milliseconds long elapsedTimeMillis = System.currentTimeMillis() - start; float elapsedTimeDay = elapsedTimeMillis/(24*60*60*1000F); System.out.println(elapsedTimeDay); } }